I'm downloading from the Piriform website, of course.
https://www.piriform.com/ccleaner/download >
Download button under CCleaner Free which is a link to >
http://download.cnet.com/CCleaner/3000-18512_4-10315544.html?part=dl-&subj=dl&tag=button >
Download Now button which attempts to download ccsetup526.exe from >
http://files.downloadnow-1.com/s/software/15/68/79/90/ccsetup526.exe?token=1486...
at which point McAfee SiteAdvisor says "Whoa! This site may be risky to visit ..." The site report is at >
https://www.mcafee.com/threat-intelligence/s